Syrian Rebels Set Their Sights on Damascus

DAMASCUS, Syria (CNN) -- Emboldened rebels fighting to hasten the fall of Syria's government set their sights on the capital, Damascus, as diplomats went into high gear amid concerns about chemical weapons.

"Our country will be free, we have no one but God," protesters rallying against President Bashar al-Assad chanted Friday in Douma, outside the capital. "The glad tidings are coming."

The fight for control of Damascus is being waged largely in its suburbs, where rebel forces say the casualty count has increased in recent days. And so has talk of a turning point in Syria's 21-month civil war. Friday's fighting left 43 dead in Damascus and its suburbs, including a child who was killed by a mortar and another by a sniper, the opposition Local Coordination Committees reports.

Al-Ghouta Shield Brigade, part of the rebel Free Syrian Army, called the land around the Damascus International Airport a "military zone," urging all airlines to cease incoming and outgoing flights for passengers' safety.

Opposition fighters are waging "ongoing military operations" there because Syrian forces "get military supplies and reinforcements" through the airport, FSA spokesman Louai Miqdad said. He insisted "the FSA will never target" the airport because it a civilian facility that serves the entire country.

The LCC said late Friday that "regime forces (had) closed all entrances to the capital" amid clashes. Syria's government maintains control of Damascus, while the rebels have taken large parts of northern Syria, including parts of the most populous city, Aleppo.

The rebels have been empowered as their ranks grow daily from military defectors. And their arsenal has become more powerful, with weapons purchased or captured from the army or reconstructed in makeshift workshops.

There are concerns that the government's desperation could result in a chemical weapons attack. U.S. intelligence showed that the government is filling aerial bombs with sarin gas at two locations near military airfields.

Syria has said it wouldn't use chemical weapons, "even if it had them, against its own people."

Mark Toner, a State Department spokesman, warned Friday that the use of such weaponry by al-Assad's "pariah state" would be unacceptable.

"I don't think it takes a real big thinker to understand that. I think it is very clear that these would cross a red line," he said.

But the trappings of normal life contrast against the realities of war in Aleppo.

In one corner of the city, a man sits in a barber chair for a shave. Across the street, people beg for bread. Nearby, carpets on a clothesline hide the guns of government snipers.

And inside the bombed-out remains of buildings, rebels hack away with sledgehammers to tunnel through walls -- all to avoid a sniper's bullet.

It was house-by-house, street-by-street urban warfare with rebels dodging snipers and climbing and crawling through holes in destroyed structures for safety. They resembled an "urban version of First World War trenches," according to CNN's Arwa Damon.

Rebels use everything from rockets to slingshots. The soundtrack: Bullets cracking and the muezzin's call to prayer.

"It's hard to fully absorb the scale of the devastation here," Damon reported from Aleppo's Amiriyeh neighborhood. "How entire buildings seem to have folded down upon themselves."

At an Aleppo demonstration, one of the weekly Friday protests held against the government every week since the conflict started, the people stood against the government.

"We will never kneel down, never again, to anyone but God," the protesters chanted.

The fighting spilled into Jordan on Friday, the Jordanian armed forces said. Shells and bullets landed in Jordanian territory because of heavy fighting between government forces and rebels in western Syria. One Jordanian soldier was wounded and is in good condition at a hospital.

An armed forces source quoted by the state-run Petra news agency said Jordanian armed forces made "an appropriate response" to the sources of the shelling but didn't describe the action. "We will not hesitate in the future to take all suitable measures to defend our border and property," the source said.

Outside the Damascus area, at least 37 others were killed across Syria on Friday, according to the opposition Local Coordination Committees of Syria. Activists also found a mass grave in Deir Ezzor, in the country's east, that included the bodies of 50 people kidnapped two months ago, the group said.

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